Which statement uses logos in its argument?

O Since US students are lagging behind other countries in important areas like reading, science, and math, they should have longer school days.
O Any student with pride in the great United States would, of course, be willing to sacrifice a little time in order to help it have the smartest students in the world.
O If you listen to the experts, they will tell you that extra hours at school can only help students, and they generally agree that the United States should add hours to the school day.
O The truth is that the current US worldwide educational rank is just sad, and US students can avoid wasting all the hard work of their forefathers by having longer school days.